invention

The invention of the steam engine was a crucial turning point in the history of the Industrial Revolution.

(Chinese) 蒸汽机的发明是工业革命历史上一个至关重要的转折点。

Modern medical inventions, such as antibiotics, have saved millions of lives over the last century.

(Chinese) 现代医学发明，如抗生素，在过去一个世纪里挽救了数百万人的生命。